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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.1.0 (2010/03/30)
#ifndef OBJLOADER_H
#define OBJLOADER_H
#include "MtlLoader.h"
class ObjLoader
{
public:
ObjLoader (const string& path, const string& filename);
~ObjLoader ();
enum ErrorCode
{
EC_SUCCESSFUL,
EC_LOGFILE_OPEN_FAILED,
EC_FILE_OPEN_FAILED,
EC_NO_TOKENS,
EC_TOO_FEW_TOKENS,
EC_TOO_MANY_TOKENS,
EC_UNEXPECTED_TOKEN,
EC_NOT_YET_IMPLEMENTED,
EC_FAILED_TO_LOAD_MATERIALS,
EC_FAILED_TO_FIND_MATERIAL,
EC_INVALID_VERTEX,
EC_MAX_ERROR_CODES
};
class Float2
{
public:
float x, y;
};
class Float3
{
public:
float x, y, z;
};
class Vertex
{
public:
Vertex ()
:
PosIndex(-1),
TcdIndex(-1),
NorIndex(-1)
{
}
bool operator< (const Vertex& vertex) const
{
if (PosIndex < vertex.PosIndex)
{
return true;
}
if (PosIndex > vertex.PosIndex)
{
return false;
}
if (TcdIndex < vertex.TcdIndex)
{
return true;
}
if (TcdIndex > vertex.TcdIndex)
{
return false;
}
if (NorIndex < vertex.NorIndex)
{
return true;
}
return false;
}
int PosIndex, TcdIndex, NorIndex;
};
class Face
{
public:
vector<Vertex> Vertices;
};
class Mesh
{
public:
int MtlIndex;
vector<Face> Faces;
};
class Group
{
public:
string Name;
int PosStart, TcdStart, NorStart;
vector<Mesh> Meshes;
};
inline ErrorCode GetCode () const;
inline const vector<MtlLoader::Material>& GetMaterials () const;
inline const vector<Group>& GetGroups () const;
inline const vector<Float3>& GetPositions () const;
inline const vector<Float2>& GetTCoords () const;
inline const vector<Float3>& GetNormals () const;
private:
void GetTokens (const string& line, vector<string>& tokens);
bool GetMaterialLibrary (const string& path,
const vector<string>& tokens);
bool GetDefaultGroup (const vector<string>& tokens);
bool GetPosition (const vector<string>& tokens);
bool GetTCoord (const vector<string>& tokens);
bool GetNormal (const vector<string>& tokens);
bool GetGroup (const vector<string>& tokens);
bool GetMaterialAndMesh (const vector<string>& tokens);
bool GetFace (const vector<string>& tokens);
ErrorCode mCode;
FILE* mLogFile;
vector<MtlLoader::Material> mMaterials;
int mCurrentGroup, mCurrentPos, mCurrentTcd, mCurrentNor;
int mCurrentMtl, mCurrentMesh;
vector<Group> mGroups;
vector<Float3> mPositions;
vector<Float2> mTCoords;
vector<Float3> mNormals;
static const char* msCodeString[EC_MAX_ERROR_CODES];
};
#include "ObjLoader.inl"
#endif
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